Table 4

Treatment and outcome of patients with acute chest syndrome and a new pulmonary opacity on CT

At least one complete lung segment consolidation on CT
ParameterNo (n=55)Yes (n=84)p Value
Treatment
 Maximal nasal oxygen, L/min4 [3–6]6 [4–10]<0.01
 Mechanical ventilation
  Non-invasive2 (4%)5 (6%)0.70
  Invasive1 (2%)3 (4%)>0.99
 Antibiotic treatment26 (48%)77 (93%)<0.01
 Transfusions and phlebotomies0.06
  Simple transfusion8 (15%)9 (11%)
  Partial-exchange transfusion20 (36%)49 (58%)
  Simple phlebotomy1 (2%)0 (0%)
 Total number of transfused red blood cell units (in patients with simple transfusion or partial-exchange transfusion)1.0 [0.0–2.0]2.0 [0.0–4.0]<0.01
 Total volume of exsanguinated blood, mL (in patients with partial-exchange transfusion or phlebotomy)0 [0–350]275 [0–700]0.01
Outcome
 Complicated ACS*28 (51%)58 (69%)0.03
 Hospital stay, days8 [6–13]11 [7–13]0.09
 Hospital deaths1 (2%)0 (0%)0.40
  • Data are presented as mean±SD, median [25th–75th percentiles] or number (percentage).

  • *Complications included need for mechanical ventilation, transfusion or death.

  • ACS, acute chest syndrome.